11291473 has 2 divisors, whose sum is σ = 11291474. Its totient is φ = 11291472.

The previous prime is 11291461. The next prime is 11291507. The reversal of 11291473 is 37419211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11209104 + 82369 = 3348^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 11291473 - 2¹³ = 11283281 is a prime.

It is not a weakly prime, because it can be changed into another prime (11291773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5645736 + 5645737.

It is an arithmetic number, because the mean of its divisors is an integer number (5645737).

Almost surely, 2^11291473 is an apocalyptic number.

It is an amenable number.

11291473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11291473 is an equidigital number, since it uses as much as digits as its factorization.

11291473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 11291473 is about 3360.2787086788. The cubic root of 11291473 is about 224.3452438148.

The spelling of 11291473 in words is "eleven million, two hundred ninety-one thousand, four hundred seventy-three".